Introduction

The UDUNITS-2 package provides support for units of physical quantities. Its three main components are: 1) a C library for units of physical quantities (udunits2lib); 2) a utility; for obtaining the definition of a unit and for converting numeric values between compatible units (udunits2prog), and 3) an extensive database of units.

For more information about UDUNITS-2, visit the official UDUNITS-2 website.

Programming language: C/Fortran

Brief description: database.

Open source license: GPLv3